Lipoxygenase Metabolism: Critical Pathways in Microglia-mediated Neuroinflammation and Neurodevelopmental Disorders

Shuli Chen1, Haidong Zou2,3,4,5

  • 1Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, No.100 Haining Road, Shanghai, 200080, China.

Insights

The lipoxygenase (LOX) pathway significantly impacts microglia's role in both healthy brain functions like neural development and in diseases. Inhibiting the LOX pathway offers a promising therapeutic strategy for central nervous system (CNS) disorders.

Area of Science:

  • Neuroscience
  • Immunology
  • Biochemistry

Background:

  • Microglia are key innate immune cells in the central nervous system (CNS), vital for neural development, homeostasis, and CNS diseases.
  • Lipoxygenases (LOXs) are enzymes that produce lipid mediators regulating inflammation via polyunsaturated fatty acid oxidation.
  • The 5-LOX and 12/15-LOX pathways are crucial in microglia-driven neuroinflammation.

Purpose of the Study:

  • To review the role of the lipoxygenase (LOX) pathway in microglia-mediated physiological and pathological CNS processes.
  • To explore the implications of the LOX pathway in neurodevelopmental disorders.
  • To discuss the therapeutic potential of LOX pathway inhibition for CNS diseases.

Main Methods:

  • Literature review of studies on microglia, lipoxygenases, and CNS function/disease.
  • Analysis of research linking LOX pathways to neuroinflammation and neurodevelopment.
  • Synthesis of evidence regarding therapeutic strategies targeting the LOX pathway.

Main Results:

  • The LOX pathway is involved in essential microglial functions, including synaptic pruning and phagocytosis.
  • Dysregulation of the LOX pathway is associated with neurodevelopmental disorders.
  • LOX pathway activity is critical for microglia-mediated neuroinflammation.

Conclusions:

  • The LOX pathway plays a dual role in the CNS, influencing both physiological processes and disease pathogenesis.
  • Targeting the LOX pathway presents a viable therapeutic avenue for various central nervous system disorders.
  • Further research into LOX pathway modulation could yield novel treatments for neurological conditions.